<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>大纲标签</title>
</head>
<body>
    <!-- 头部 -->
    <header>
        <div class="logo">网页的logo</div>
        <nav>导航</nav>
    </header>
    <!-- 主体 -->
    <main>
        <article>文章</article>
    </main>
    <footer>页脚</footer>
</body>
</html>